2 Chronicles 14:4

14:4 He ordered Judah to seek the Lord God of their ancestors and to observe his law and commands.

2 Chronicles 30:2

30:2 The king, his officials, and the entire assembly in Jerusalem decided to observe the Passover in the second month.

2 Chronicles 30:13

30:13 A huge crowd assembled in Jerusalem to observe the Feast of Unleavened Bread in the second month.